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Topic: Heater Matrix (Read 2621 times) |
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tonyboy
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black2.924Vcoss ( No More )
  
  
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Heater Matrix
« on: Feb 22nd, 2010, 5:08pm » |
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Hello, Got in my car today and noticed the passenger side foot well was soaking wet, my first thought was the heater matrix, so on the way home from work i checked the heating, still blowing hot, checked the header tank, still full. Call me thick but, Not knowing anything about the heating system, where does the matrix get it's water from, if it was leaking would the water in the header tank go down, and would there be hot air blowing out. Or have i got a hole under the passenger side floor. Cheers Tony
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Tompion
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1997 2.3 Ultima estate.
Posts: 2918
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Re: Heater Matrix
« Reply #1 on: Feb 22nd, 2010, 5:22pm » |
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Yes the water in the header tank will go down, but a little water goes a long way so not necessarily instantly noticeable & yes the heater is still likely to work.
Some people have had holes rust through in the area of the battery shelf.
I believe water can get in if the drainage holes aren’t clear in the area of the auxiliary fuse box.
You need to sort it out as depending on where it's coming in it can get on the ECU and cause problems.
Dave
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tonyboy
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Re: Heater Matrix
« Reply #2 on: Feb 22nd, 2010, 6:43pm » |
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Thanks Dave, I think i'll check the battery compartment first, Just looked at the matrix removal, and it seems a hell of a job, they might just as well put the matrix on the moon, i'm all for trying anything but that seems well out of my ability, it seems that you have to take half the car apart to get to such a little box. do you really have to take all the facia panels off. I'm feeling a bit desponant now after looking at the removal precedure.............. 
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gozz
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Re: Heater Matrix
« Reply #3 on: Feb 22nd, 2010, 8:26pm » |
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tonyboy.
Did you taste the water to see if it is coolant,if its not sweet it may be aircon condensate leaking in owing to blocked exit clack valves.
GOZZ.
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Simmo
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Re: Heater Matrix
« Reply #4 on: Feb 22nd, 2010, 9:13pm » |
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The first thing to check is Tompions idea about the Auxillary fusebox. The wires run through the bulkhead via a large grommet. If that is not seated correctly OR if the drainage holes in the battery bulkhead are not cleared water will build up and enter the car. Open the glovebox reach up to the back and open the flap which reveals the ECU. If water is present at that level then the answer is the bulkhead grommet. Have you got a battery cover fitted?.
Read This page and check out the drainage holes etc. 
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tonyboy
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Re: Heater Matrix
« Reply #5 on: Feb 22nd, 2010, 9:31pm » |
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Thanks for the advice chaps, I do have a battery cover, i'll check the battery area and the glove box, i think i'll leave the tasting bit till last. ( or i could get my lad to do that bit ) ..... 
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tonyboy
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Re: Heater Matrix
« Reply #7 on: Feb 22nd, 2010, 10:16pm » |
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Thanks for that i was wondering what a clack valve was. Now seeing that page my windscreen does mist up on the passenger side more. Hope it is that and not the matrix. Cheers again
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Simmo
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Re: Heater Matrix
« Reply #8 on: Feb 23rd, 2010, 8:16am » |
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If that is the case another thing to check is the pollen filter. Here. If it gets clogged or wet it will cause misting. Is the lid correctly fitted?.
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Jonnycab
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Former owner of 2.3 Ultima Facelift saloon
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Re: Heater Matrix
« Reply #9 on: Feb 23rd, 2010, 9:31am » |
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About the matrix removal...yes, the whole dash has to be removed, or at least pulled out enough so you can manoeuvre the heater box about to give enough room to pull out the matrix. I replaced mine 4 years ago & it is a real pig of a job.
If it is the matrix leaking, it usually runs down from the vent area & it's usually accompanied by a kind of curry smell. But considering all the rain we've had in the last couple of days, then I'd be inclined to think it has come in from under the battery. If this is the case then the flap of carpet that that shields the ECU etc will probably be wet & possibly the ECU will be wet as well.
As mentioned before, if it is antifreeze then it will taste/smell sweet & feel a bit sticky/greasy. If you don't fancy the taste test, then get the local cat to taste it, as cats love the sweet smell & taste of antifreeze......then, if the cat is carted off to the vets a few hours later, then you'll know you have a leaky matrix ..... 
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Nunnspoet
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I love YaBB 1G - SP1!
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Re: Heater Matrix
« Reply #10 on: Feb 23rd, 2010, 5:21pm » |
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 . I Love this site Jonnycab. Great
Mike
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Jonnycab
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Former owner of 2.3 Ultima Facelift saloon
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Re: Heater Matrix
« Reply #11 on: Feb 24th, 2010, 3:08am » |
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......here kitty-kitty
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tonyboy
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black2.924Vcoss ( No More )
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Re: Heater Matrix
« Reply #12 on: Feb 24th, 2010, 6:22pm » |
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Thanks for that JC, All i got to do now is find a cat. That one that keeps digging up our front garden and leaving us a pressie seems to be a likley candidate.........
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tonyboy
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Re: Heater Matrix
« Reply #13 on: Feb 25th, 2010, 5:25pm » |
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Hello. I checked my clack valves today, took them both out, and the passenger side was a bit grubby. Gave them both a wash and scrub, and put them back on, i think that one of them was in the wrong way the orange disc was pointing into the tube. Easy to do just took 10 minutes, it's well worth checking them, rather than run the risk of a soggy floor, should be in the yearly maintenance schedule. Will check the battery compartment at the weekend, The battery drain holes. are they the holes about half inch diameter pointing towards the engine. Thanks all for the advice.
P.S are they realy called Clack valves or is that Gozz's slang term for them...........
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: Heater Matrix
« Reply #14 on: Feb 25th, 2010, 5:42pm » |
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yep clack valves..
also add to the yearly schedule cleaning of
doofla sprocket
Muffler bearings
flux capacitor
blinker fluid
Alternator charger
air bag retractor
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tonyboy
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black2.924Vcoss ( No More )
Posts: 998
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Re: Heater Matrix
« Reply #15 on: Feb 25th, 2010, 6:04pm » |
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What about filling up that compartment with blinks for the indicators............
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gozz
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Re: Heater Matrix
« Reply #16 on: Feb 25th, 2010, 11:26pm » |
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A clack valve is a flap valve as found in the heart of a Sassenach,or a water pump as manufactured in Scotland,or a simple device to allow exit of fluids from an evaporator housing without entry of noxious fumes 
GOZZ.
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tonyboy
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black2.924Vcoss ( No More )
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Re: Heater Matrix
« Reply #17 on: Feb 26th, 2010, 8:06pm » |
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is the sassenach in the engine............ or a marangue ...... again......
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tonyboy
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black2.924Vcoss ( No More )
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Re: Heater Matrix
« Reply #18 on: Feb 28th, 2010, 4:24pm » |
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Hello. I've cleaned out my clack valves, taken my battery out and checked for water there, a bit damp but the drain holes seem unblocked. I took the carpet up in the passengers side.and the water is dripping down underneath the rubber matting that goes up the footwell towards the back of the glove box. The water level in the header tank has gone down a bit. Is there anything else i can do to make sure if it is, or isn't the heater matrix....... Cheers
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tonyboy
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black2.924Vcoss ( No More )
Posts: 998
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Re: Heater Matrix
« Reply #19 on: Mar 4th, 2010, 6:28pm » |
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Hello. Would a MK3 granada matrix fit the scorpio.......
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